From 95ff3cadc7685f6470a0d6c78429dbfd5b1451d9 Mon Sep 17 00:00:00 2001
From: YANGDL <114714267@qq.com>
Date: 星期一, 08 三月 2021 17:53:30 +0800
Subject: [PATCH] 天地图瓦片切换增加淡入淡出效果

---
 src/components/helpers/BasemapHelper.js |   43 +++++++++++++++++++++++++++----------------
 1 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/src/components/helpers/BasemapHelper.js b/src/components/helpers/BasemapHelper.js
index 60fc9e8..d17a606 100644
--- a/src/components/helpers/BasemapHelper.js
+++ b/src/components/helpers/BasemapHelper.js
@@ -7,10 +7,11 @@
 class BasemapHelper {
   constructor (options) {
     this.map = options.map
-    this.L = options.L
+    this.L = window.L
     this.basemapList = []
     this.basemapMap = new Map()
-    this.basemapLayerGroup = options.L.layerGroup().addTo(options.map)
+    this.basemapLayerGroup = this.L.layerGroup().addTo(options.map)
+    this.currentBaseMapCode = null
   }
 
     /**
@@ -18,11 +19,11 @@
      * @param map
      * @param defBasemapName 鍒濆鍖栧畬鎴愬悗锛岄粯璁ゆ樉绀虹殑鍥惧眰
      */
-    initBasemap = (mapConfig, isIntranet) => {
+    initBasemap = (config, isIntranet) => {
       if (isIntranet) { // 鍐呯綉
-        this._getToken(mapConfig) // 鑾峰彇token鍚庯紝骞舵寜閰嶇疆鍔犺浇鍦板浘
+        this._getToken(config) // 鑾峰彇token鍚庯紝骞舵寜閰嶇疆鍔犺浇鍦板浘
       } else { // 澶栫綉
-        this._createBasemapByConfig(mapConfig)
+        this._createBasemapByConfig(config)
       }
 
       return this.basemapMap
@@ -52,13 +53,23 @@
      */
     showBasemap = (code, showAnnotation, isHideOthers = true) => {
       const basemap = this.basemapMap.get(code)
+
       if (isHideOthers) {
         this.basemapLayerGroup.clearLayers()
       }
-      this.basemapLayerGroup.addLayer(basemap.layer)
-      if (showAnnotation) {
-        this.basemapLayerGroup.addLayer(basemap.annotation)
-      }
+      setTimeout(() => {
+        // const layer = this.basemapLayerGroup.hasLayer(basemap.layer)
+        // if (!layer) {
+        this.basemapLayerGroup.addLayer(basemap.layer)
+        // }
+
+        if (showAnnotation) {
+          // if()
+          this.basemapLayerGroup.addLayer(basemap.annotation)
+        } else {
+          this.basemapLayerGroup.removeLayer(basemap.annotation)
+        }
+      }, 300)
     }
 
     /**
@@ -72,8 +83,8 @@
     }
 
     // 鍏綉鍒涘缓鍦板浘閮ㄥ垎
-    _createBasemapByConfig (mapConfig) {
-      const internetBasemaps = mapConfig.mapConfig.InternetBaseMaps
+    _createBasemapByConfig (config) {
+      const internetBasemaps = config.mapConfig.InternetBaseMaps
       for (let i = 0, len = internetBasemaps.length; i < len; ++i) {
         const basemapConfig = internetBasemaps[i]
         const basemapLayer = this.L.tileLayer(basemapConfig.map.url, basemapConfig.map.option)
@@ -98,16 +109,16 @@
 
     // 鍐呯綉鍦板浘鍒涘缓閮ㄥ垎
     // 鑾峰彇鍐呯綉鍦板浘token锛屽苟鍔犺浇鍒板湴鍥句腑
-    _getToken = (mapConfig) => {
-      const params = mapConfig.TokenConfig
+    _getToken = (config) => {
+      const params = config.TokenConfig
       AjaxUtils.GetDataAsynByUrl(params.url, params.option, (token) => {
-        this._showTDT(token, mapConfig)
+        this._showTDT(token, config)
       })
     }
 
     // 鍐呯綉鍦板浘鍔犺浇锛屽苟鍔犺浇鍒板湴鍥�
-    _showTDT = (token, mapConfig) => {
-      const intranetBasemaps = mapConfig.mapConfig.IntranetBaseMaps
+    _showTDT = (token, config) => {
+      const intranetBasemaps = config.mapConfig.IntranetBaseMaps
       for (let i = 0, len = intranetBasemaps.length; i < len; ++i) {
         const basemapConfig = intranetBasemaps[i]
         const basemapLayer = this.L.tileLayer(basemapConfig.map.url, basemapConfig.map.option)

--
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